Hi guys, I just got a little Macbook Air 11", upgraded with the i7 and 8 gigs of RAM. It's got Intel 5000 integrated graphics. When I run Civ4 Beyond the Sword, there are tons of graphic artifacts. I'm sure my computer can handle this game, I mean... It's...

Since I have chanced my Macbook to a retina one I can´t play CIV4 anymore.
There is a graphical bug taht makes a grid over the screen.
http://www.aep♥♥♥♥♥en.de/bilder/1.png
http://www.aep♥♥♥♥♥en.de/bilder/2.png
I have reinstalled CIV but it doesn´t w...